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This report describes the development of a facility for recording time-varying
computer graphics on video tape. The primary purpose of the facility
is to produce animation sequences of ocean and seafloor acoustic wave fields
from output of the synthetic seismogram numerical model FINDIF, and to
record them on convenient portable VHS video tapes.
The facility utilizes a suite of computer programs called AFRAME, and an
Abekas model A60 digital video disk which is connected to the modeling
computer and to broadcast quality video recording equipment.

A study of 400 Hz sound focusing and ducting effects in a packet of curved nonlinear internal waves in shallow water is presented. Sound propagation roughly along the crests of the waves is simulated with a three-dimensional ...

To investigate acoustic effects of nonlinear internal waves, the two southwest tracks of the SWARM 95 experiment are considered. An airgun source produced broadband acoustic signals while a packet of large nonlinear internal ...

In 2002 and 2003, tagged sperm whales (Physeter macrocephalus) were experimentally exposed to airgun pulses in the Gulf of Mexico, with the tags providing acoustic recordings at measured ranges and depths. Ray trace and ...

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